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Sergey Kasparov
Books by Sergey Kasparov
Hedgehog
An understanding of Hedgehog structures is an essential component in any chessplayer's knowledge. These structures arise when the black c-pawn is exchanged early on for the white d-pawn (as in the Sicilian Defence). White then adopts a formation with pawns on c4 and e4 and Black curls up in a Hed...